<div class="row">
  <div class="card col-md-4" *ngFor="let s of s1" >
    <img src="{{s.picture}}" class="card-img-top" alt="...">
    <div class="card-body">
      <h5 class="card-title">{{s.title}}</h5>
      <p class="card-text">{{s.content}}</p>
      <a href="#" class="btn btn-primary">Go somewhere</a>
    </div>
  </div>


</div>
